Finding the Fourth Proportional to 42,726.89, 58,968.61 and 25,739.98

Step by Step Solution

1. Step 1: Write the proportion equation
   42,726.89 : 58,968.61 = 25,739.98 : x
2. Step 2: Convert to fraction form
   42,726.89/58,968.61 = 25,739.98/x
3. Step 3: Cross multiply
   42,726.89x = 58,968.61 × 25,739.98
4. Step 4: Simplify right side
   42,726.89x = 1,517,850,630.26
5. Step 5: Solve for x
   x = 1,517,850,630.26/42,726.89
6. Step 6: Final answer
   x = 35,524.48